I greased the crap out of the lever/spline interface of the DT RWS rear axle on my Hightower. I've been trying to figure out what was making such an extreme chain slap/rattling noise from the back of the bike and noticed that there's a lot of play in the lever (even when the axle is tight). The cap can be tightened using some snap ring pliers, but there's still a decent amount of play in it. Packed with grease for now to see if it at least partially resolves the noise, and then I'll probably pick up one of the Wolf Tooth or Wheels Manufacturing axles instead.
Also noticed that the rear wheel bearings on my road bike are shot after relatively few miles, so need to order some replacements. That bike never sees rain, is kept clean, but I don't do a full wash of it very often, so I'm a little surprised that they're already as bad as they are.